diff options
Diffstat (limited to 'nixos/modules/security/apparmor-suid.nix')
-rw-r--r-- | nixos/modules/security/apparmor-suid.nix | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/nixos/modules/security/apparmor-suid.nix b/nixos/modules/security/apparmor-suid.nix new file mode 100644 index 000000000000..bc661164fdc2 --- /dev/null +++ b/nixos/modules/security/apparmor-suid.nix @@ -0,0 +1,46 @@ +{pkgs, config, ...}: +let + cfg = config.security.apparmor; +in +with pkgs.lib; +{ + + options.security.apparmor.confineSUIDApplications = mkOption { + default = true; + description = '' + Install AppArmor profiles for commonly-used SUID application + to mitigate potential privilege escalation attacks due to bugs + in such applications. + + Currently available profiles: ping + ''; + }; + + config = mkIf (cfg.confineSUIDApplications) { + security.apparmor.profiles = [ (pkgs.writeText "ping" '' + #include <tunables/global> + /var/setuid-wrappers/ping { + #include <abstractions/base> + #include <abstractions/consoles> + #include <abstractions/nameservice> + + capability net_raw, + capability setuid, + network inet raw, + + ${pkgs.glibc}/lib/*.so mr, + ${pkgs.libcap}/lib/libcap.so* mr, + ${pkgs.attr}/lib/libattr.so* mr, + + ${pkgs.iputils}/bin/ping mixr, + /var/setuid-wrappers/ping.real r, + + #/etc/modules.conf r, + + ## Site-specific additions and overrides. See local/README for details. + ##include <local/bin.ping> + } + '') ]; + }; + +} |